121 lines
3.3 KiB
Python
121 lines
3.3 KiB
Python
"""
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This module defines the structure and properties of documents.
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"""
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from django.db import models
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from closuretree.models import ClosureModel
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from simple_history.models import HistoricalRecords
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from jci.models import Standard
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class Audience(ClosureModel):
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name = models.CharField(max_length=50)
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parent = models.ForeignKey('self', related_name='children', null=True, blank=True)
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def __str__(self):
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return self.name
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class Meta:
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ordering = ('name',)
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class Site(models.Model):
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name = models.CharField(max_length=50)
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def __str__(self):
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return self.name
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class Meta:
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ordering = ['name']
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class Structure(ClosureModel):
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name = models.CharField(max_length=50)
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acronym = models.CharField(max_length=20, null=True, blank=True)
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parent = models.ForeignKey('self', related_name='children', null=True, blank=True)
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def __str__(self):
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return self.name
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class DocumentType(models.Model):
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name = models.CharField(max_length=50)
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level = models.IntegerField()
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template = models.FileField(upload_to='documents_templates/', null=True, blank=True)
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def __str__(self):
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return self.name
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class Meta:
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ordering = ['level']
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class Document(models.Model):
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audiences = models.ManyToManyField(Audience)
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sites = models.ManyToManyField(Site)
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standards = models.ManyToManyField(Standard, related_name='documents')
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structures = models.ManyToManyField(Structure)
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title = models.CharField(max_length=255)
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overview = models.TextField(blank=True, null=True)
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type = models.ForeignKey(DocumentType, null=True)
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created_at = models.DateTimeField(auto_now_add=True)
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revised_at = models.DateTimeField(null=True, blank=True)
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history = HistoricalRecords()
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@property
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def last_published_version(self):
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try:
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return self.versions.filter(published__isnull=False).first().revisions.first()
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except Version.DoesNotExist:
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return 'None'
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except Exception:
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return 'None'
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@property
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def last_working_version(self):
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try:
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return self.versions.filter(published__isnull=True).first().revisions.first()
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except Version.DoesNotExist:
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return 'None'
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def __str__(self):
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return self.title
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def update_version(self, document):
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pass
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def publish(self):
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pass
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class Version(models.Model):
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document = models.ForeignKey(Document, related_name='versions')
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major = models.PositiveIntegerField()
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published = models.OneToOneField('Revision', related_name='published_version+', null=True, blank=True)
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class Meta:
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unique_together = ('document', 'major')
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@property
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def status(self):
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return 'Published' if self.published else 'Draft'
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def __str__(self):
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return '{} v{} ({})'.format(self.document, self.major, self.status)
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def publish(self):
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pass
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class Revision(models.Model):
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revision = models.FileField(upload_to='revisions/')
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created_at = models.DateTimeField(auto_now_add=True)
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version = models.ForeignKey(Version, related_name='revisions')
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minor = models.PositiveIntegerField()
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class Meta:
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ordering = ('-minor',)
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def __str__(self):
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return '{} rev {}'.format(self.version, self.minor) |